April 2020
Intermediate to advanced
294 pages
7h 53m
English
Content preview from MicroPython Projects
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Introducing asyncio
The asyncio module was added to Python starting in version 3.4 and has been steadily evolving ever since. The purpose of asyncio is to handle asynchronous events that occur in Python applications, such as access to input/output devices, a network, or even a database. Rather than allowing a function to block the application, asyncio added the functionality for us to use coroutines that can yield the CPU while they wait for responses from asynchronous devices.
MicroPython has supported asyncio in the kernel since version 1.11 through the uasyncio library. Prior versions still supported asyncio, but the libraries had to be added manually. This could be done through several means, such as the following:
- Copying the usyncio ...
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